Meaning of flu

flu

Pronunciation: (fl), [key]
— n.
  1. influenza.
  2. a specific variety of influenza, usually named for its point of dissemination or its animal vector: Hong Kong flu; swine flu.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
  • flu (Thesaurus)